Ring book



Jan; 22, 1929. 1,699,901

H. R. MCCLEARY RING BOOK Filed Nov. 23, 1927 Patented Jan. 22, 1929.

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Hnn'nr n. MCCLEAEY, or OAK PARK, ILLInoIs, AssIenoa To WILSON JONES conrAnY, A coneona'rron on nassacnnsnrrs,

RING BOOK.

Application filed November 23, 1927. Serial no. 235,156.

This invention relates to ,a ring book and concerns itself priu'iarily with a metal cap for closing the ends of the metal structure that supports the leaf holding prongs.

One of the objects of the invention is to provide an improved metal cap that is applied after the metals have been assembled, which. can be quickly assembled and which completely closes the ends of the metals andproduces a finished appearance.

The invention comprises the novel structure and combination of parts hereinafter described and more particularly pointed out and defined in the appended claims:

In the accompanying drawings, which illustrate a preferred embodiment of this invention and in which similar reference numerals refer to similar features in the different views:

- Figure 1 is an interior plan view of a ring book involving this invention.

Figure 2 is an enlarged fragmentary plan view illustrating more clearly the end closing cap involving this invention.

Figure 3 is an end elevational view of the ring book.

Figure 4 is an enlarged sectional view taken upon the line IV-IV of Figure 2.

Figure 5 is an enlarged sectional view taken upon the line V-V of Figure 4 showing the anchoring means for the end cap.

Figure 6 is an enlarged fragmentary interior plan view with the top plate removed to more clearly illustrate the manner of anchoring the end caps.

The invention in its broadest aspect consists of a housing and end cap which are assembled by relative longitudinal movement and transverse elastic movement of one of said parts. The invention is shown as applied to a conventional form of ring book in which the metals that constitute the leaf holding mechanism comprise a lower bowed or arcuate resilient plate member 1 having the usual inturned flanges 2 for receiving the outer edges of the toggle plates 3. An upper bowed resilient plate 4 having downwardly and inwardly turned flanges 5 embraces the plate 1 and forms in connection therewith the usual elongated elliptical housing through which the ring hooks 6 on the toggle plates 3 project.

This invention concerns itself with novel metal caps '7 for closing the ends of the elliptical housing. Each cap is made from sheet metal, a suitable strip of which is folded upon itself to provide an upper ply 8 and a lower ply 9, as shownin Figured. The up; per ply 8 is bent upwardly at right angles to produce an inclosing portion 10 which is further provided witha forwardly extending flange or lip 11 that extends over the edges ofthe top plate 4. The lower ply 8 is bent downwardly to provide an inclosing portion 12that extends over the edge of the lower plate 1 and abuts thereagainst, as shown in Figure 4. The closing portions 10 and 12 of the cap have curved peripheries as shown in Figure 8, that correspond with the curvatures of the metal plates 1 and 4.

For the purpose of this invention, the folded portion 8-9 of the cap 7 will be termed a shank, In order to interlock the cap with the m tal housing, the shank is provided at its inner end with a projection 13 upon each side to form a shoulder 14 which engages the wall of a notch 15 cut in the edge of the plate 1. The forward edges of the projections 13 are rounded as indicated at 16 for expanding the elliptical housing when the cap is applied.

These end caps are adapted to be applied after the elliptical housing has been, otherwise assembled. ln applying the end caps, the shank of a cap is inserted in the end of the housing, sufiicient pressure being applied for such a purpose. When the projections 13 reach the notches 15 through such pressure, they will enter therein, the expanded housing will inunediately contract with the result that the cap will be interlocked with the housing. In its assembled relation, the lip 11 of the cap takes over the top plate 4 and produces a finished locking structure; To remove the end cap, it is necessary to use a tool to expand theend of the housing so i that the projections 13 can be disengaged from the notches 15.

It will be apparent thaththe end caps are of a simple nature and can be easily and quickly applied to the ends of the housings and that they completely close the ends of the housing and produce a finished appearance. I I

j I am aware that many changes may be made and numerous details of construction may be varied through a wide range without departing from the principles of this invention, and I therefore do not purpose limiting the patent granted hereon, otherwise than necessitated by the prior art.

I claim as my invention:

1. In a ring book, an expansible metal housing having an open end with notches adjacent said open end, an end cap consisting of a two-ply shank having lateralpro jections engaging said notches, one ply of said shank extending downwardly at its outer end and the other ply extending upwardly atthe same end for closingthe end of said housing;

2. In a ring book, an expansible elliptical housing having an open end, with notches adjacent said open end, an end cap therefor having a central shank with lateral projections'within said housing and engaging said notches. saidshankhaving anupwardly extending portion with a flange overlapping said casing, and a downwardly extending portion.

3. An end cap for a casing, consisting of antwo-ply shank having lateral projections, with one ply extending downwardly at the outer end of the shank and the other ply extending upwardly at said outer end and provided with a flange.

4. As an article of manufacture, an end cap consisting of a metal member having a two-ply folded shank with lateral projections, one ply extending upward" from the folded portion and the other ply extending downward.

In testimony whereof I have hereunto subscribed my name.

HENRY R; MOCLEARY. 

